COMP Cams Camshaft Kit B455 252HK KIT Complete Kit Includes: Camshaft, Lifters, Valve Springs, Retainers, Valve Locks, Valve Stem Seals, Timing Chain Set, Assembly Lube (in flat tappet applications), Decals and Instructions. Catalog User 1 This Part Fits: Year Make Model Submodel 1971 1973 Buick Centurion Base 1973 1974 Buick Century Base 1973 1974 Buick Century Luxus 1968 1974,1976 Buick Electra 225 1968 1974 Buick Electra 225 Custom 1974 Buick Electra 225 Limited 1967,1973 Buick